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🐠 Elevate your aquarium game with Blue Donuts’ elite filtration!
Blue Donuts Filter Sock offers a high-performance 200 Micron filtration mesh combined with a durable 4-inch plastic ring that fits most sump holders. Designed for repeated use, its easy-grab handle simplifies maintenance while ensuring your saltwater or freshwater aquarium stays impeccably clean. Trusted by over 230 users with a 4.5-star rating, this pack of 8 filter socks delivers professional-grade water clarity and convenience.























| Customer Reviews | 4.5 out of 5 stars 231 Reviews |
K**R
Good socks. Good size.
Good socks. Like the top rim. Fast shipping.
F**N
Aquarium sock filters
Fit perfect and filter great
D**S
Clogs quickly (using sanded as substrate)
Great price and very well made but both socks become clogged in one day. In their defense I have a sand bed and messy stingrays but BRS 200micron socks last 3-4days before clogging If you change the socks in your system daily these would be great!
K**S
Does not fit in Red Sea Reefer
I bought these because one reviewer mentioned Red Sea. For them to work in Red Sea Reafer tank they must fit flush and they do not. I tried a raser knife to trim them. Still did not fit. For other uses they should work fine.
A**R
Great socks for great price
Great socks works as advertised but it’s kind of a pain to put the sock inside out for cleaning. Other than that it does it’s job
S**A
Polish water good
They work great
R**T
Great Sump Tank filter
I use these filter socks in my sump tank on a reef tank. They need to be washed out every other day so that means they’re doing well to filter out all debris from my tank.
A**R
used as a patio drain sock to prevent foreign matter build-up in remote no-access tank. Works great!
Works great!
Trustpilot
2 days ago
3 weeks ago